@misc{misc67de1b56,
title   = {Classification of pleural effusions proposed by sonography},
author = {Neto, M and Cirino, L. M and Funari, M and Daniel, M and Francisco, L and Chammas, M. C and Cerri, Giovanni Guido},
year = {2006},
booktitle   = {Congress of the World Federation for Ultrasound in Medicine and Biology}
}